CN105095818A - Method and apparatus of displaying and recognizing images on the basis of a curved screen - Google Patents
Method and apparatus of displaying and recognizing images on the basis of a curved screen Download PDFInfo
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Abstract
The invention discloses a method and an apparatus of displaying and recognizing images on the basis of a curved screen. The method and apparatus relate to the technical field of image processing with the object of solving problem in the prior art that when a user scans an image displayed on a curved screen, the image is recognized at a low rate. The method comprises the production of a new image based on the curving degree of the curved screen and a to-be-corrected image. The to-be-corrected image comprises a to-be-corrected two-dimensional code or a to-be-corrected bar code. On the curved screen, the new image is displayed and when the new image is mapped on a plane, the size of the new image is identical to that of the to-be-corrected image.
Description
Technical field
The present invention relates to technical field of image processing, particularly relate to a kind of method and apparatus based on curve screens display, recognition image.
Background technology
Quick Response Code is that its range of application is very extensive with certain specific geometric figure according to certain rules in the chequered with black and white graphic recording data symbol information of plane distribution.Curved surface TV, namely has the TV of curve screens, because the advantages such as contrast is high, visual angle is wide are used widely.When directly showing former Quick Response Code on curved surface TV, the Quick Response Code that the device scans such as smart mobile phone obtain, comparing former Quick Response Code can there is deformation, thus the problem causing recognition success rate low.
Summary of the invention
Embodiments of the invention provide a kind of method and apparatus based on curve screens display, recognition image, in order to solve in prior art, the problem that the recognition success rate occurred during the image that sweep surface screen shows is low, wherein, this image comprises Quick Response Code or bar code.
For achieving the above object, embodiments of the invention adopt following technical scheme:
First aspect, provide a kind of method based on curve screens display image, be applied to and have in the display device of curve screens, described method comprises:
According to degree of crook and the image to be corrected of described curve screens, generate new images; Wherein, described image to be corrected comprises Quick Response Code to be corrected or bar code to be corrected;
On described curve screens, show described new images; Wherein, the described new images described curve screens shown is mapped to the equal and opposite in direction of image and the described image to be corrected obtained after in plane.
Second aspect, provides a kind of method based on curve screens recognition image, comprising:
The image to be corrected that the curve screens of scanning display device shows, obtains the first scan image; Wherein, described image to be corrected comprises Quick Response Code to be corrected or bar code to be corrected;
Identify described first scan image;
If recognition failures, then send correction request message to described display device; To make described display device under the triggering of described correction request message, according to degree of crook and the described image to be corrected of described curve screens, generate new images, and on described curve screens, show described new images; Wherein, the described new images described curve screens shown is mapped to the equal and opposite in direction of image and the described image to be corrected obtained after in plane;
Scan the described new images that described curve screens shows, obtain the second scan image;
Identify described second scan image.
The third aspect, provides a kind of display device, and described display device has curve screens, and described display device comprises:
Generation unit, for according to the degree of crook of described curve screens and image to be corrected, generates new images; Wherein, described image to be corrected comprises Quick Response Code to be corrected or bar code to be corrected;
Described curve screens is used for, and shows the described new images that described generation unit generates; Wherein, the described new images described curve screens shown is mapped to the equal and opposite in direction of image and the described image to be corrected obtained after in plane.
Fourth aspect, provides a kind of identification equipment, and for identifying the image that curve screens shows, described identification equipment comprises:
Scanning element, the image to be corrected shown on the curve screens scanning display device, obtains the first scan image; Wherein, described image to be corrected comprises Quick Response Code to be corrected or bar code to be corrected;
Recognition unit, for identifying that described scanning element scans described first scan image obtained;
Transmitting element, for when described recognition unit recognition failures, sends correction request message to described display device; To make described display device under the triggering of described correction request message, according to degree of crook and the described image to be corrected of described curve screens, generate new images, and on described curve screens, show described new images; Wherein, the described new images described curve screens shown is mapped to the equal and opposite in direction of image and the described image to be corrected obtained after in plane;
Described scanning element also for, scan the described new images that described curve screens shows, obtain the second scan image;
Described recognition unit also for, identify described second scan image.
In technique scheme, display device, according to the degree of crook of curve screens and image to be corrected, generates new images; And on curve screens, show this new images; Wherein, the new images that curve screens shows is mapped to the equal and opposite in direction of image and the image to be corrected obtained after in plane.The technical program shows the new images correcting and obtain on curve screens, the image obtained after making the new images that scanning device sweep surface screen shows and the equal and opposite in direction of image to be corrected; On curve screens, directly show the technical scheme of original image (i.e. image to be corrected) compared to existing technology, scanning device can be reduced and scan the deformation that the image that obtains occurs relative to original image, thus can recognition success rate be improved.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, obviously, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic diagram of a kind of curved surface that Fig. 1 provides for the embodiment of the present invention;
The schematic diagram of the another kind of curved surface that Fig. 2 provides for the embodiment of the present invention;
A kind of schematic flow sheet based on curve screens display image that Fig. 3 provides for the embodiment of the present invention;
The process schematic of a kind of method based on curve screens two-dimensional code display that Fig. 4 provides for prior art;
The process schematic of a kind of method based on curve screens two-dimensional code display that Fig. 5 provides for the embodiment of the present invention;
The schematic flow sheet of a kind of method based on curve screens recognition image that Fig. 6 provides for the embodiment of the present invention;
The schematic flow sheet of a kind of method based on curve screens display, identification Quick Response Code that Fig. 7 provides for the embodiment of the present invention;
Fig. 8 is the schematic diagram be mapped to by the pixel on former Quick Response Code according to the degree of crook of curve screens on curve screens;
The structural representation of a kind of display device that Fig. 9 provides for the embodiment of the present invention;
The structural representation of the another kind of display device that Figure 10 provides for the embodiment of the present invention;
The structural representation of the another kind of display device that Figure 11 provides for the embodiment of the present invention;
The structural representation of the another kind of display device that Figure 12 provides for the embodiment of the present invention;
The structural representation of a kind of identification equipment that Figure 13 provides for the embodiment of the present invention;
The structural representation of the another kind of identification equipment that Figure 14 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, carry out exemplary description to the embodiment of the present invention or technical scheme of the prior art, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
First some terms in the embodiment of the present invention are explained, understand to facilitate those skilled in the art.
1) curve screens
" curve screens " can include but not limited to following any one: LCD (LiquidCrystalDisplay, LCDs), LED (LightEmittingDiode, light emitting diode) display screen, plastic display etc.Wherein, " curved surface " can include but not limited to following any one: the part in any one curved surface such as cylinder, anchor ring, the conical surface, sphere, being specifically as follows convex surface, also can be concave surface.
It should be noted that, when type and the bending direction difference of curved surface, the image that curved surface shows compares original image (i.e. image to be corrected) can there is deformation in different directions.Such as, when curved surface is cylinder, if the bending direction of cylinder is horizontal direction, as shown in Figure 1, then image curved surface shown compares original image can there is deformation in the horizontal direction, and in the vertical direction deformation can not occur.If the bending direction of cylinder is vertical direction, as shown in Figure 2, then image curved surface shown compares original image, and in the vertical direction deformation can occur, and deformation can not occur in the horizontal direction.For another example, when curved surface is sphere, the image that curved surface shows compares original image, all deformation can occur in the horizontal direction with on vertical direction.
Be all that cylinder is described for example with curved surface in the embodiment of the present invention, be specifically all described for cylinder as shown in Figure 1.Those skilled in the art from example described in the invention, should infer under the curved surface of other types, how to implement the technical scheme that the embodiment of the present invention provides.
2) there is the display device of curve screens
" having the display device of curve screens " can be arbitrary equipment comprising processor and curve screens, such as, and curved surface TV, curved surface mobile phone, curved surface intelligent advertisement board etc.
3) "and/or" is only a kind of incidence relation describing affiliated partner, and expression can exist three kinds of relations, and such as, A and/or B, can represent: individualism A, exists A and B simultaneously, these three kinds of situations of individualism B.
Embodiment one
See Fig. 3, it is the schematic flow sheet of a kind of method based on curve screens display image that the embodiment of the present invention provides.Method shown in Fig. 3 is applied to be had in the display device of curve screens, and the method comprises:
S301: according to degree of crook and the image to be corrected of curve screens, generates new images; Wherein, image to be corrected comprises Quick Response Code to be corrected or bar code to be corrected.
S302: on curve screens, display new images; Wherein, new images curve screens shown is mapped to the equal and opposite in direction of image and the image to be corrected obtained after in plane.
For example, there is the display device of curve screens, step S301-302 can be performed before display image, like this, curve screens directly can show new images, image to be corrected can not be shown; Also first can show image to be corrected on curve screens, and under the triggering of the correction request message received, perform step S301-302.Wherein, this correction request message is for asking the correct image to be corrected to curve screens shows.
When curved surface is cylinder, " degree of crook of curve screens " can use the parameter such as the radius of curve screens, the curvature of curve screens to characterize.When curved surface is other types, can with reference to prior art for the parameter characterizing the degree of crook of curve screens.
Optionally, S301 can be implemented as: according to the degree of crook of curve screens, by Computer image genration new images to be corrected.Also can be implemented as: the copy obtaining image to be corrected, and the copy of this image to be corrected is generated new images.
" new images that curve screens shows is mapped to the image obtained after in plane " is equivalent to: the image obtained after the new images that scanning device sweep surface screen shows; Wherein, " plane " can be understood as flat screen; Scanning device can be smart mobile phone, panel computer etc.
It should be noted that, by different for the same image mapped that different screen shows rear image obtained on plane; Wherein, " different screen " here can be curve screens and flat screen, also can be the different curve screens of degree of crook.
The method based on curve screens display image that the present embodiment provides, according to degree of crook and the image to be corrected of curve screens, generates new images; And on curve screens, show this new images; Wherein, the new images that curve screens shows is mapped to the equal and opposite in direction of image and the image to be corrected obtained after in plane.The technical program shows the new images correcting and obtain on curve screens, the image obtained after making the new images that scanning device sweep surface screen shows and the equal and opposite in direction of image to be corrected; On curve screens, directly show the technical scheme of original image (i.e. image to be corrected) compared to existing technology, scanning device can be reduced and scan the deformation that the image that obtains occurs relative to original image, thus can recognition success rate be improved.
It should be noted that, in prior art, " Quick Response Code obtained after the former Quick Response Code of directly display on sweep surface screen; comparing former Quick Response Code deformation can occur ", be embodied as: the black graphics on the Quick Response Code obtained after scanning and/or white figure, comparing corresponding figure in former Quick Response Code can there is deformation; Because Quick Response Code carrys out recorded information by the size and distribution etc. of chequered with black and white figure, therefore, prior art can cause scanning the information represented by Quick Response Code obtained, and the information compared represented by former Quick Response Code can change, thus cause recognition success rate low.
In the technical scheme that the embodiment of the present invention provides, correct by treating correcting image, the image obtained after making the new images that scanning device sweep surface screen shows and the equal and opposite in direction of image to be corrected, due to the degree of crook that this correction is based on curve screens, and treat correcting image and correct to be embodied as and treat each black graphics in correcting image and white figure corrects, therefore by the equal and opposite in direction of the image that obtains after making new images that scanning device sweep surface screen shows and image to be corrected, can ensure to scan the size of each black graphics in the image obtained and white figure and figure corresponding in image to be corrected as much as possible and distribute identical, thus the information represented by image obtained after can making scanning is identical with the information represented by image to be corrected as much as possible, to improve recognition success rate.
Optionally, S301 comprises: according to the degree of crook of curve screens, is mapped by each pixel on image to be corrected, obtains intermediate image; Wherein, all pixels on image to be corrected are comprised in intermediate image and pixel value is empty pixel; Utilize the pixel value of each pixel in interpolation algorithm and image to be corrected, be that empty pixel carries out interpolation to pixel value in intermediate image, obtain new images.
For example, because the size of the image (i.e. intermediate image) obtained after being carried out by each pixel on image to be corrected according to the degree of crook of curve screens mapping is greater than image to be corrected, therefore this intermediate image not only comprises each pixel in image to be corrected, but also comprises the pixel that pixel value is sky; Concrete example can with reference to hereafter.
Interpolation algorithm can include but not limited to: close on Sampling Method, bilinear interpolation method, cubic convolution method etc.Because Quick Response Code and bar code are generally made up of black and white two kinds of colors, therefore, optionally, use closes on Sampling Method and carries out interpolation, is also made up of black and white two kinds of colors to make new images.The concrete example of this optional implementation can with reference to hereafter.
It should be noted that, during specific implementation, after obtaining intermediate image, can be that the pixel value of empty pixel uses as default by the pixel value in intermediate image, thus obtain new images.Wherein, because Quick Response Code and bar code are generally made up of black and white two kinds of colors, therefore this default value can be the pixel value of black pixel point, also can be the pixel value of white pixel point.
Below by a concrete example, the method difference with the prior art based on curve screens display image that the embodiment of the present invention provides is described.Wherein, in this concrete example for " image " for Quick Response Code is described:
See Fig. 4, it is the process schematic of a kind of method based on curve screens two-dimensional code display that prior art provides.The size supposing former Quick Response Code (i.e. Quick Response Code to be corrected) is 3cm (centimetre) × 3cm, as shown in (a) in Fig. 4.So, the former Quick Response Code shown in (a) in Fig. 4 is presented at the Quick Response Code obtained after on curve screens as shown in (b) in Fig. 4; In this process, former Quick Response Code has become camber line from original straight line in the horizontal direction, and the chord length of camber line is 2.8cm.Like this, the Quick Response Code obtained after the Quick Response Code shown in (b) in scintigram 4 is as shown in (c) in Fig. 4.
See Fig. 5, it is the process schematic of a kind of method based on curve screens two-dimensional code display that the embodiment of the present invention provides.The size supposing former Quick Response Code is 3cm × 3cm, as shown in (a) in Fig. 5.So, the new Quick Response Code that the former Quick Response Code shown in (a) in Fig. 5 generates is as shown in (a) in Fig. 5 '; Wherein, new Quick Response Code length is in the horizontal direction 3.2cm.New Quick Response Code shown in (a) by Fig. 5 ' is presented at the Quick Response Code that obtains after on curve screens as shown in (b) in Fig. 5 '.Wherein, in this process, new Quick Response Code has become camber line from straight line in the horizontal direction, and the chord length of camber line is 3cm.Like this, the Quick Response Code obtained after the Quick Response Code shown in (b) ' in scintigram 5 is as shown in (c) in Fig. 5 '.
Optionally, the process being generated the new Quick Response Code shown in (a) ' in Fig. 5 by the former Quick Response Code shown in (a) in Fig. 5 can be implemented as: mapped by the former Quick Response Code shown in (a) in Fig. 5, Quick Response Code in the middle of generating; Recycling interpolation algorithm obtains the new Quick Response Code shown in (a) ' in Fig. 5 after carrying out interpolation to the pixel that the pixel in middle Quick Response Code is sky.Wherein, Quick Response Code in the middle of generating, and the method for carrying out interpolation can with reference to hereafter.
Embodiment two
See Fig. 6, it is the schematic flow sheet of a kind of method based on curve screens recognition image that the embodiment of the present invention provides.In the present embodiment, the explanation of related content can with reference to above.Method shown in Fig. 6 comprises:
S601: the image to be corrected that the curve screens of scanning display device shows, obtains the first scan image; Wherein, image to be corrected comprises Quick Response Code to be corrected or bar code to be corrected.
The executive agent of the present embodiment can be the scanning device of the image shown on sweep surface screen, is specifically as follows smart mobile phone, panel computer etc.
S602: identify the first scan image.
For example, the application for recognition image is installed in scanning device, based on this application identification first scan image, if identify successfully, then can obtains the information represented by image to be corrected; If recognition failures, then can not obtain the information represented by image to be corrected, following step can be performed further, to obtain the information represented by image to be corrected.
S603: if recognition failures, then send correction request message to display device; To make display device under the triggering of correction request message, according to degree of crook and the image to be corrected of curve screens, generate new images, and on curve screens, display new images; Wherein, new images curve screens shown is mapped to the equal and opposite in direction of image and the image to be corrected obtained after in plane.
S604: the new images that sweep surface screen shows, obtains the second scan image.
S605: identify the second scan image.
The method of the recognition image that the present embodiment provides, by scanning the image to be corrected that the curve screens of display device shows, obtains the first scan image; When identification first scan image failure, triggering display device is treated correcting image and is corrected, thus the new images obtained after identifying correction.Because the new images that curve screens shows is mapped to the equal and opposite in direction of image and the image to be corrected obtained after in plane, that is, the equal and opposite in direction of the image obtained after the new images that sweep surface screen shows and image to be corrected; Like this, compared to existing technology, directly scanning shows the technical scheme of original image (i.e. image to be corrected) on curve screens, can reduce to scan the deformation that the image that obtains occurs relative to original image, thus can improve recognition success rate.Concrete, in the present embodiment, identify that the success ratio of the second scan image is greater than the success ratio of identification first scan image.
Embodiment three
See Fig. 7, it is the schematic flow sheet of a kind of method based on curve screens display, identification Quick Response Code that the embodiment of the present invention provides.Method shown in Fig. 7 comprises:
S701: display device shows former Quick Response Code on curve screens.Wherein, " former Quick Response Code " i.e. Quick Response Code to be corrected above.
S702: the former Quick Response Code that the curve screens of scanning device scanning display device shows, obtains the first scanning Quick Response Code.
S703: scanning device identification first scans Quick Response Code, and judges whether to identify successfully.
If so, then terminate; If not, then S704 is performed.
S704: scanning device sends correction request message to display device; Wherein, correction request message corrects for asking the former Quick Response Code to curve screens shows.
S705: each pixel on former Quick Response Code, under the triggering of correction request message, according to the degree of crook of curve screens, maps, obtains middle Quick Response Code by display device.
As shown in Figure 8, for according to the degree of crook of curve screens the pixel on former Quick Response Code being mapped to the schematic diagram on curve screens.Line segment OC in Fig. 8 represents former Quick Response Code length l in the horizontal direction, and camber line OC represents a part for curve screens, wherein, obtains line segment OC after in this part mapping to plane.Terminal B is the position at any one pixel place on line segment OC, and terminal A is that the pixel at terminal B place is mapped to the position obtained after on camber line OC.
Relation between the length c of camber line OA and the length x of line segment OB can be expressed as:
wherein,
R represents the radius of curve screens.
Can comprise based on Fig. 8, S705: first, obtain R and l; Then, determine former Quick Response Code line segment OC in the horizontal direction, and obtain camber line OC according to the vertical view of curve screens.Then, determine the position B at each pixel place on line segment OC successively, and determine the length x of line segment OB.Finally, formula is utilized
obtain the length c of camber line OA, and determine the position A at the pixel place after mapping according to c; The position A at camber line OC and each pixel place on it is transformed into the line segment equal with the arc length of this camber line OC, thus obtains middle Quick Response Code.Exemplary, as shown in (a) in Fig. 5 ', be a kind of schematic diagram of the middle Quick Response Code obtained by former Quick Response Code.
Such as, suppose that the often row of former Quick Response Code has 10 pixels, according to said method these 10 pixels are mapped to after on curve screens and obtain 13 pixels; The pixel value of these 10 pixels is expressed as array [a0, a1, a2, a3, a4, a5, a6, a7, a8, a9], the pixel value obtaining 13 pixels after mapping is expressed as array [a0, a1, a2, b0, a3, a4, b1, a5, a6, b2, a7, a8, a9]; Wherein, b0, b1, b2 are empty.It should be noted that, according to above-mentioned formula, the pixel of on line segment OC is mapped to after on camber line OC, if the position obtained is the position at a pixel place on camber line OC, then using this position as target location; If the position obtained is not the position at any one the pixel place on camber line OC, then using the position of a pixel nearest with this position as target location.
S706: display device utilizes the pixel value of each pixel closed in Sampling Method and former Quick Response Code, is that empty pixel carries out interpolation to pixel value in middle Quick Response Code, obtains new Quick Response Code.
For example, display device using in middle Quick Response Code and with the pixel value of pixel value to be the pixel value of the previous pixel that empty pixel is adjacent as this pixel value be empty pixel.Like this, based on the example in S705, the pixel value of 13 pixels obtained after interpolation can be [a0, a1, a2, a2, a3, a4, a4, a5, a6, a6, a7, a8, a9].
Certainly, during specific implementation, also can using in former Quick Response Code with the pixel value of pixel value to be the pixel value of contiguous other the arbitrary pixels (a such as contiguous rear pixel etc.) of empty pixel as this pixel value be empty pixel.
S707: display device shows new Quick Response Code on curve screens, and reply calibration response message to scanning device.Wherein, calibration response message, for notifying that scanning device has completed the correction to former Quick Response Code, scans new Quick Response Code to make scanning device.
S708: the new Quick Response Code that scanning device sweep surface screen shows, obtains the second scanning Quick Response Code.
S709: scanning device identification second scans Quick Response Code.
After performing step S709, then terminate.
The present embodiment provide based on curve screens display, identify the method for Quick Response Code, when the former Quick Response Code that scanning device sweep surface screen shows and recognition failures when, send correction request message to display device; Former Quick Response Code, under the triggering of this correction request message, according to the degree of crook of curve screens, is generated new Quick Response Code by display device; And on curve screens, show this new Quick Response Code; Wherein, the new Quick Response Code that curve screens shows is mapped to the equal and opposite in direction of Quick Response Code and the former Quick Response Code obtained after in plane.The technical program shows the new Quick Response Code correcting and obtain on curve screens, the Quick Response Code obtained after making the new Quick Response Code that scanning device sweep surface screen shows and the equal and opposite in direction of former Quick Response Code; On curve screens, directly show the technical scheme of former Quick Response Code compared to existing technology, scanning device can be reduced and scan the deformation that the Quick Response Code that obtains occurs relative to former Quick Response Code, thus can recognition success rate be improved.
Embodiment four
See Fig. 9, it is the structural representation of a kind of display device that the embodiment of the present invention provides.Display device 9 shown in Fig. 9 is for performing the method based on curve screens display image provided above, and in the present embodiment, the explanation of related content can with reference to above.
Display device 9 has curve screens 91, and display device 9 also comprises: generation unit 92, for according to the degree of crook of curve screens 91 and image to be corrected, generates new images; Wherein, image to be corrected comprises Quick Response Code to be corrected or bar code to be corrected; Curve screens 91 for, display generation unit 92 generate new images; Wherein, on curve screens 91, the new images of display is mapped to the equal and opposite in direction of image and the image to be corrected obtained after in plane.
In a kind of implementation of the present embodiment, generation unit 92 specifically for: according to the degree of crook of curve screens 91, each pixel on image to be corrected is mapped, obtains intermediate image; Wherein, all pixels on image to be corrected are comprised in intermediate image and pixel value is empty pixel; Utilize the pixel value of each pixel in interpolation algorithm and image to be corrected, be that empty pixel carries out interpolation to pixel value in intermediate image, obtain new images.Preferably, interpolation algorithm comprises: close on Sampling Method.
In the another kind of implementation of the present embodiment, as shown in Figure 10, display device 9 also comprises: receiving element 93, for receiving correction request message; Wherein, correction request message is for asking the correct image to be corrected to display on curve screens 91; In this situation, generation unit 92 specifically for: under the triggering of correction request message, according to degree of crook and the image to be corrected of curve screens 91, generate new images.
The display device that the present embodiment provides, according to degree of crook and the image to be corrected of curve screens, generates new images; And on curve screens, show this new images; Wherein, the new images that curve screens shows is mapped to the equal and opposite in direction of image and the image to be corrected obtained after in plane.The technical program shows the new images correcting and obtain on curve screens, the image obtained after making the new images that scanning device sweep surface screen shows and the equal and opposite in direction of image to be corrected; On curve screens, directly show the technical scheme of original image (i.e. image to be corrected) compared to existing technology, scanning device can be reduced and scan the deformation that the image that obtains occurs relative to original image, thus can recognition success rate be improved.
On hardware implementing, above-mentioned generation unit 92 can be embedded in the form of hardware or independent of in the processor of display device, also can be stored in the storer of display device in a software form, so that processor calls the operation in processor.Wherein, processor can be CPU (central processing unit) (CPU), microprocessor, single-chip microcomputer etc.Receiving element 93 can be receiver.
See Figure 11, it is the structural representation of a kind of display device that the embodiment of the present invention provides.Display device 11 shown in Figure 11 is for performing the method based on curve screens display image provided above.Display device 11 has curve screens 11A, and display device 11 also comprises: storer 11B, processor 11C and bus system 11D.
Wherein, curve screens 11A, to be coupled by bus system 11D between storer 11B and processor 11C, wherein bus system 11D is except comprising data bus, can also comprise power bus, control bus and status signal bus in addition etc.But for the purpose of clearly demonstrating, in the drawings various bus is all designated as bus system 11D.
Storer 11B, for storing one group of code; This code is used for control processor 11C and determines control signal.
Processor 11C is used for, according to the degree of crook of curve screens 11A and image to be corrected, generating new images; Wherein, image to be corrected comprises Quick Response Code to be corrected or bar code to be corrected; Curve screens 11A is used for, the new images that video-stream processor 11C generates; Wherein, on curve screens 11A, the new images of display is mapped to the equal and opposite in direction of image and the image to be corrected obtained after in plane.
In a kind of implementation of the present embodiment, processor 11C specifically for: according to the degree of crook of curve screens, each pixel on image to be corrected is mapped, obtains intermediate image; Wherein, all pixels on image to be corrected are comprised in intermediate image and pixel value is empty pixel; Utilize the pixel value of each pixel in interpolation algorithm and image to be corrected, be that empty pixel carries out interpolation to pixel value in intermediate image, obtain new images.Preferably, this interpolation algorithm comprises: close on Sampling Method.
In the another kind of implementation of the present embodiment, as shown in figure 12, display device 1 also comprises: receiver 11E, for receiving correction request message; Wherein, correction request message is for asking the correct image to be corrected to display on curve screens 11A; In this situation, processor 11B specifically for: under the triggering of correction request message, according to degree of crook and the image to be corrected of curve screens 11A, generate new images.
Embodiment five
See Figure 13, it is the structural representation of a kind of identification equipment that the embodiment of the present invention provides.Identification equipment 13 shown in Figure 13 is for performing the method based on curve screens recognition image provided above; Identification equipment 13 comprises: scanning element 13A, recognition unit 13B and transmitting element 13C.
The image to be corrected that scanning element 13A shows on the curve screens scanning display device, obtains the first scan image; Wherein, image to be corrected comprises Quick Response Code to be corrected or bar code to be corrected.
Recognition unit 13B is for identifying that scanning element 13A scans the first scan image obtained.
Transmitting element 13C is used for when recognition unit 13B recognition failures, sends correction request message to display device; To make display device under the triggering of correction request message, according to degree of crook and the image to be corrected of curve screens, generate new images, and on curve screens, display new images; Wherein, new images curve screens shown is mapped to the equal and opposite in direction of image and the image to be corrected obtained after in plane.
The new images that scanning element 13A also shows on sweep surface screen, obtains the second scan image.
Recognition unit 13B is also for identifying the second scan image.
The identification equipment that the present embodiment provides, by scanning the image to be corrected that the curve screens of display device shows, obtains the first scan image; When identification first scan image failure, triggering display device is treated correcting image and is corrected, thus the new images obtained after identifying correction.Because the new images that curve screens shows is mapped to the equal and opposite in direction of image and the image to be corrected obtained after in plane, that is, the equal and opposite in direction of the image obtained after the new images that sweep surface screen shows and image to be corrected; Like this, compared to existing technology, directly scanning shows the technical scheme of original image (i.e. image to be corrected) on curve screens, can reduce to scan the deformation that the image that obtains occurs relative to original image, thus can improve recognition success rate.Concrete, in the present embodiment, identify that the success ratio of the second scan image is greater than the success ratio of identification first scan image.
On hardware implementing, above-mentioned scanning element 13A can be camera.Recognition unit 13B can be embedded in the form of hardware or independent of in the processor of identification equipment, also can be stored in the storer of identification equipment in a software form, so that processor calls the operation in processor.Wherein, this processor can be CPU (central processing unit) (CPU), microprocessor, single-chip microcomputer etc.Transmitting element 13C can be transmitter.
See Figure 14, it is the structural representation of a kind of identification equipment that the embodiment of the present invention provides.Identification equipment 14 shown in Figure 14 is for performing the method based on curve screens recognition image provided above.Identification equipment 14 comprises: storer 14A, processor 14B, camera 14C, transmitter 14D and bus system 14E.
Wherein, storer 14A, processor 14B, to be coupled by bus system 14E between camera 14C and transmitter 14D, wherein bus system 14E is except comprising data bus, can also comprise power bus, control bus and status signal bus in addition etc.But for the purpose of clearly demonstrating, in the drawings various bus is all designated as bus system 14E.
Storer 14A, for storing one group of code; This code is used for control processor 14B and determines control signal.
The image to be corrected that camera 14C shows on the curve screens scanning display device, obtains the first scan image; Wherein, image to be corrected comprises Quick Response Code to be corrected or bar code to be corrected.Processor 14B is used for identification camera 14C and scans the first scan image obtained.
Transmitter 14D is used for when processor 14B recognition failures, sends correction request message to display device; To make display device under the triggering of correction request message, according to degree of crook and the image to be corrected of curve screens, generate new images, and on curve screens, display new images; The new images that curve screens shows is mapped to the equal and opposite in direction of image and the image to be corrected obtained after in plane.
Camera 14C also for, the new images that sweep surface screen shows, obtains the second scan image.Processor 14B also for, identify the second scan image.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1., based on a method for curve screens display image, it is characterized in that, be applied to and have in the display device of curve screens, described method comprises:
According to degree of crook and the image to be corrected of described curve screens, generate new images; Wherein, described image to be corrected comprises Quick Response Code to be corrected or bar code to be corrected;
On described curve screens, show described new images; Wherein, the described new images described curve screens shown is mapped to the equal and opposite in direction of image and the described image to be corrected obtained after in plane.
2. method according to claim 1, is characterized in that, the described degree of crook according to described curve screens and image to be corrected, generates new images, comprising:
According to the degree of crook of described curve screens, each pixel on image to be corrected is mapped, obtains intermediate image; Wherein, all pixels on described image to be corrected are comprised in described intermediate image and pixel value is empty pixel;
Utilize the pixel value of each pixel in interpolation algorithm and described image to be corrected, be that empty pixel carries out interpolation to pixel value in described intermediate image, obtain new images.
3. method according to claim 2, is characterized in that, described interpolation algorithm comprises: close on Sampling Method.
4. method according to claim 1, is characterized in that, at the described degree of crook according to described curve screens and image to be corrected, before generating new images, described method also comprises:
Receive correction request message; Wherein, described correction request message is for asking the correct image to be corrected to described curve screens shows;
The described degree of crook according to described curve screens and image to be corrected, generate new images, comprising:
Under the triggering of described correction request message, according to degree of crook and the described image to be corrected of described curve screens, generate new images.
5. based on a method for curve screens recognition image, it is characterized in that, comprising:
The image to be corrected that the curve screens of scanning display device shows, obtains the first scan image; Wherein, described image to be corrected comprises Quick Response Code to be corrected or bar code to be corrected;
Identify described first scan image;
If recognition failures, then send correction request message to described display device; To make described display device under the triggering of described correction request message, according to degree of crook and the described image to be corrected of described curve screens, generate new images, and on described curve screens, show described new images; Wherein, the described new images described curve screens shown is mapped to the equal and opposite in direction of image and the described image to be corrected obtained after in plane;
Scan the described new images that described curve screens shows, obtain the second scan image;
Identify described second scan image.
6. a display device, is characterized in that, described display device has curve screens, and described display device comprises:
Generation unit, for according to the degree of crook of described curve screens and image to be corrected, generates new images; Wherein, described image to be corrected comprises Quick Response Code to be corrected or bar code to be corrected;
Described curve screens is used for, and shows the described new images that described generation unit generates; Wherein, the described new images described curve screens shown is mapped to the equal and opposite in direction of image and the described image to be corrected obtained after in plane.
7. display device according to claim 6, is characterized in that, described generation unit specifically for:
According to the degree of crook of described curve screens, each pixel on image to be corrected is mapped, obtains intermediate image; Wherein, all pixels on described image to be corrected are comprised in described intermediate image and pixel value is empty pixel;
Utilize the pixel value of each pixel in interpolation algorithm and described image to be corrected, be that empty pixel carries out interpolation to pixel value in described intermediate image, obtain new images.
8. display device according to claim 7, is characterized in that, described interpolation algorithm comprises: close on Sampling Method.
9. display device according to claim 6, is characterized in that, described display device also comprises:
Receiving element, for receiving correction request message; Wherein, described correction request message is for asking the correct image to be corrected to described curve screens shows;
Described generation unit specifically for: under the triggering of described correction request message, according to degree of crook and the described image to be corrected of described curve screens, generate new images.
10. an identification equipment, is characterized in that, for identifying the image that curve screens shows, described identification equipment comprises:
Scanning element, the image to be corrected shown on the curve screens scanning display device, obtains the first scan image; Wherein, described image to be corrected comprises Quick Response Code to be corrected or bar code to be corrected;
Recognition unit, for identifying that described scanning element scans described first scan image obtained;
Transmitting element, for when described recognition unit recognition failures, sends correction request message to described display device; To make described display device under the triggering of described correction request message, according to degree of crook and the described image to be corrected of described curve screens, generate new images, and on described curve screens, show described new images; Wherein, the described new images described curve screens shown is mapped to the equal and opposite in direction of image and the described image to be corrected obtained after in plane;
Described scanning element also for, scan the described new images that described curve screens shows, obtain the second scan image;
Described recognition unit also for, identify described second scan image.
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| CN201810449751.XA CN108629222B (en) | 2015-07-03 | 2015-07-03 | Method for displaying image based on curved screen |
| CN201510388471.9A CN105095818B (en) | 2015-07-03 | 2015-07-03 | A kind of method and apparatus that image is shown, identified based on curve screens |
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| CN201510388471.9A CN105095818B (en) | 2015-07-03 | 2015-07-03 | A kind of method and apparatus that image is shown, identified based on curve screens |
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Also Published As
| Publication number | Publication date |
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| CN108629222A (en) | 2018-10-09 |
| CN105095818B (en) | 2018-08-21 |
| CN108629222B (en) | 2021-01-26 |
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